-7.5y+9-4y=-27.5

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Solution for -7.5y+9-4y=-27.5 equation: 


Simplifying
-7.5y + 9 + -4y = -27.5

Reorder the terms:
9 + -7.5y + -4y = -27.5

Combine like terms: -7.5y + -4y = -11.5y
9 + -11.5y = -27.5

Solving
9 + -11.5y = -27.5

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + -11.5y = -27.5 + -9

Combine like terms: 9 + -9 = 0
0 + -11.5y = -27.5 + -9
-11.5y = -27.5 + -9

Combine like terms: -27.5 + -9 = -36.5
-11.5y = -36.5

Divide each side by '-11.5'.
y = 3.173913043

Simplifying
y = 3.173913043

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